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electrical:12v:laptop [2018/05/19 07:19] frater_secessus [charge at the right time] |
electrical:12v:laptop [2020/01/07 20:53] frater_secessus [use a power-sipping laptop] |
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If the label only shows output in volts and amps we can use Ohm's law to calculate watts. | If the label only shows output in volts and amps we can use Ohm's law to calculate watts. | ||
+ | |||
+ | Example from secessus' | ||
+ | * older Dell corporate laptop, **90w** | ||
+ | * new entry level laptop with very similar benchmarks as the Dell, **30w** | ||
+ | * chromebook, **16w** | ||
---- | ---- | ||
+ | |||
+ | ===== use laptop substitutes ===== | ||
+ | |||
+ | Checking email on a phone will use much less power than doing the same thing on a laptop. | ||
+ | |||
+ | Watching movies on a tablet or even a phone will use less power than a laptop. | ||
===== use a DC adapter ===== | ===== use a DC adapter ===== | ||
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===== reduce power consumption ===== | ===== reduce power consumption ===== | ||
- | You can't affect how fast the laptop charges, so we will focus on reducing power consumption. | + | You can't affect how fast the laptop charges, so we will focus on reducing power consumption. |
==== screen brightness ==== | ==== screen brightness ==== | ||
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If you want to allow the animations but not have them consume as much power you can switch to another tab so the animation is no longer rendered. | If you want to allow the animations but not have them consume as much power you can switch to another tab so the animation is no longer rendered. | ||
+ | ==== disable networking ==== | ||
+ | |||
+ | If you don't need networking for the current task, consider disabling wifi and bluetooth. | ||
==== reduce bandwidth ==== | ==== reduce bandwidth ==== | ||
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===== charge at the right time ===== | ===== charge at the right time ===== | ||
- | If you charge your laptop [[electrical: | + | If you charge your laptop |